From Invesco: There are 26 constituents in the S&P 500 Communication Services Select Sector Index, but only one was on the minds of investors in late July -- Facebook. NYSE:RSP September 6, 2018 6:05am

From David Fabian: The first indexes to ever grace the field of exchange-traded funds were all market-cap weighted baskets. This structure gives the largest share of assets to the stocks with the biggest outstanding share floats. In many ways this makes sense, because it provides investors with the same distribution of wealth that market prices have already factored in. NYSE:RSP August 30, 2016 2:24pm

Michael Johnston: The rapid expansion of the ETF industry has been one of the most important developments of the last several decades to financial professionals; as the lineup of exchange-traded products has surged past 1,300, financial advisors now have more tools in their toolkits than ever before to NYSE:FXI November 2, 2011 1:32pm

Joseph L. Shaefer: “History Doesn't Repeat Itself, But It Rhymes” The above quote, attributed to Mark Twain, has been used and misused to explain many things that did or did not occur and did or did not unfold according to historical precedent. A current favorite is to point out the similarities noted, thus NYSE:EFG October 26, 2011 4:02pm

Jared Cummans: This year started off strong, as it looked like the economic recovery was finally gaining some steam. Major indexes trended upwards for the first seven months of the year, with the S&P 500 hitting 1,370 at its peak. It marked good progress as we exited the “Lost Decade” where most indexes finished where they NYSE:DEF September 26, 2011 12:41pm

Rydex, the issuer behind the ultra-popular S&P Equal Weight ETF (NYSE:RSP), announced this week the introduction of two new ETFs that offer equal-weighted exposure to the S&P MidCap 400 Index and S&P SmallCap 600 Index. The new ETFs include: NYSE:EWEF August 5, 2011 2:58pm

Jared Cummans: As the ETF industry has maintained its strong growth, investors have grown increasingly comfortable with establishing exposure to various markets utilizing the exchange-traded structure. Now, with 1,300+ funds in the space, there is an ETF for almost any investment NYSE:ECNS July 29, 2011 3:07pm

Thanks in part to the rise in popularity of exchange-traded funds in recent years, debate over the relative merits of various strategies for building and maintaining indexes has intensified considerably. The ETF boom has accelerated the transformation of benchmarks into investable NYSE:RSP July 7, 2011 10:50am